Photocopying – Contact printing – Light boxes
Patent
1989-07-28
1993-02-16
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355245, G03G 1509, G03G 2100
Patent
active
051875292
ABSTRACT:
A device for collecting a carrier in an image developing apparatus upon developing with a two-component developer, wherein a carrier collecting magnet roll having an insulator surface thereon and a rotatable magnet portion therein, is positioned close to a photosensitive material, contacted by a scraper at the surface thereof, and driven by a driving motor, so that the carrier gathering on the roll even at the ends thereof does not cause any grounding of the developing bias applied to the developing apparatus due to the insulator surface of the roll. It is therefore possible to achieve a drastically improvement in printing quality.
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Grimley A. T.
Mitsubishi Denki & Kabushiki Kaisha
Ramirez Nestor R.
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